1. University Medical Center Utrecht, Department of Trauma Surgery, Utrecht, the Netherlands
2. University Medical Center Utrecht, Department of Orthopedics, Utrecht, the Netherlands
3. Diakonessenhuis Hospital, Department of Surgery, Utrecht, the Netherlands
4. University of Groningen, University Medical Center Groningen, Center for Rehabilitation, Groningen, the Netherlands
5. University Medical Center Utrecht, Department of Rehabilitation, Physical Therapy Science and Sports, UMCU Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands
6. University Medical Center Utrecht, Center of Excellence for Rehabilitation Medicine, UMCU Brain Center and De Hoogstraat Rehabilitation, Utrecht, the Netherlands